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<p>My son had multiple conflicts when he took 8 AP tests. There are 2-3 make-up days during a 3rd week of AP tests, where a student can take the conflicting test or any other test he might have missed due to illness. These dates don’t appear on a schedule because during the 3rd week ANY test can be taken during the given morning/afternoon time slots.</p>
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<p>No. It makes sense to take the SAT subject test you know best. My son took the AP Physics B exam, the two Physics C exams and, 5 months later, the SAT II physics exam (three 5’s and an 800). Be warned, however, that each test may cover slightly different material. Also, the AP exam is much harder (very calculation-intensive) but also allows many more wrong answers to still get the top score. The SAT II is more fact (and perhaps memorization) driven and has less tolerance for wrong answers. Make sure you prep separately for both – sample tests for both can be found online.</p>